\begin{tikzpicture}[>=Stealth]
    \tikzset{
        pics/huxian/.style n args={2}{
          code = {
            \draw [->]  (0, 0) node [left] {$#1$} arc [start angle=105, end angle=75, radius=5] node [right] {$#2$};
        }}
    }
    \draw (0, 1.5) ellipse  [x radius=0.8,y radius=1.2];
    \draw (3, 1.5) ellipse  [x radius=0.8,y radius=1.2];
    \draw (0.2, 2.2) pic {huxian={4}{11}};
    \draw (0.2, 1.6) pic {huxian={9}{?}};
    \draw (0.2, 1.0) pic {huxian={?}{17}};
    \node at (1.5, 2.7) {$\times 2 + 3$};
\end{tikzpicture}
